ath6kl: create ath6kl_core.ko

Now ath6kl is ready for splitting core code to ath6kl_core.ko module.
This also makes it possible to link both sdio and usb code to kernel
at the same time, which earlier failed miserably.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/hif.c b/drivers/net/wireless/ath/ath6kl/hif.c
index 7118868..d912da6 100644
--- a/drivers/net/wireless/ath/ath6kl/hif.c
+++ b/drivers/net/wireless/ath/ath6kl/hif.c
@@ -15,6 +15,8 @@
  */
 #include "hif.h"
 
+#include <linux/export.h>
+
 #include "core.h"
 #include "target.h"
 #include "hif-ops.h"
@@ -59,6 +61,8 @@
 
 	return 0;
 }
+EXPORT_SYMBOL(ath6kl_hif_rw_comp_handler);
+
 #define REG_DUMP_COUNT_AR6003   60
 #define REGISTER_DUMP_LEN_MAX   60
 
@@ -560,6 +564,7 @@
 
 	return status;
 }
+EXPORT_SYMBOL(ath6kl_hif_intr_bh_handler);
 
 static int ath6kl_hif_enable_intrs(struct ath6kl_device *dev)
 {